Home / 84,601.35-116,785.88-57,012.06

Finding the Fourth Proportional to 84,601.35, 116,785.88 and 57,012.06

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Solution

The fourth proportional to 84,601.35, 116,785.88 and 57,012.06 is: 78,700.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,601.35 : 116,785.88 = 57,012.06 : x
  2. Step 2: Convert to fraction form
    84,601.35/116,785.88 = 57,012.06/x
  3. Step 3: Cross multiply
    84,601.35x = 116,785.88 × 57,012.06
  4. Step 4: Simplify right side
    84,601.35x = 6,658,204,285.09
  5. Step 5: Solve for x
    x = 6,658,204,285.09/84,601.35
  6. Step 6: Final answer
    x = 78,700.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.